The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 22, 2020
Filed:
Feb. 04, 2017
Chia Tai Tianqing Pharmaceutical Group Co., Ltd., Jiangsu, Lianyungang, CN;
Zhaozhong Ding, Shanghai, CN;
Fei Sun, Shanghai, CN;
Yinghu Hu, Shanghai, CN;
Yilong Zhou, Shanghai, CN;
Zheng Wang, Shanghai, CN;
Ling Yang, Lianyungang, CN;
CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD., Jiangsu, Lianyungang, CN;
Abstract
The present invention relates to a maleate salt of a compound represented by formula I, a method for preparing the salt, a pharmaceutical composition containing the salt, and the use of the salt. The present invention also relates to crystalline forms C, D and E of the maleate salt of the compound represented by formula I, methods for preparing the crystalline forms, crystalline compositions and pharmaceutical compositions containing the crystalline forms, and uses thereof.